比亚(Bio)
比亚(Bio)
People are beginning to use clean energy sources mainly because _______. A: fossil fuels have caused a lot of pollution B: clean energy is cheap C: fossil fuels have cost a lot of lives D: they do not have enough fossil fuels now
People are beginning to use clean energy sources mainly because _______. A: fossil fuels have caused a lot of pollution B: clean energy is cheap C: fossil fuels have cost a lot of lives D: they do not have enough fossil fuels now
The burning of fossil fuels results in the pollution of the______.
The burning of fossil fuels results in the pollution of the______.
With large amounts of money from governments and big companies, this ______ pursuit of bio-fuels is threatening the whole world. A: depressing B: desperate C: disgusting D: promising
With large amounts of money from governments and big companies, this ______ pursuit of bio-fuels is threatening the whole world. A: depressing B: desperate C: disgusting D: promising
智慧职教: ___ coal，the most important natural fuels are gas and oil.
智慧职教: ___ coal，the most important natural fuels are gas and oil.
tomcat的运行模式有（） A: bio B: bip C: nio D: apr
tomcat的运行模式有（） A: bio B: bip C: nio D: apr
Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.
Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.
U3T204. Almost 90 percent of the world's energy is supplied through the ______ of fossil fuels,
U3T204. Almost 90 percent of the world's energy is supplied through the ______ of fossil fuels,
U3T104. Known as externalities, the hidden costs of fossil fuels aren't ______ in their market price,
U3T104. Known as externalities, the hidden costs of fossil fuels aren't ______ in their market price,